、
1-碘代丙烷 在
sodium methylate 作用下,
以
乙腈 为溶剂,
反应 10.0h,
以87%的产率得到5,11,17,23-Tetratert-butyl-26-propoxy-28-[[3-[5-[5-[(5,11,17,23-tetratert-butyl-26,28-dihydroxy-27-propoxy-25-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaenyl)oxymethyl]-1,2-oxazol-3-yl]thiophen-2-yl]-1,2-oxazol-5-yl]methoxy]pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,27-diol